ONBOARD DIGITAL DEMODULATOR FOR REGENERATIVE SCPC SATELLITE COMMUNICATION SYSTEMS.

Koichi Ohtani, Shuzo Kato

Research output: Contribution to journalConference article

2 Citations (Scopus)

Abstract

The authors propose a digital demodulator with soft decision capability for onboard application. A prototype demodulator LSI which handles a 64-kb/s SCPC channel has been fabricated by using CMOS masterslice technology for reduction of hardware and power consumption. The proposed LSI demodulator requires 4 K gates and consumes 75 mW of power. Experimental results show that a prototype QPSK/OQPSK demodulator LSI has satisfactory error probability performance in conjunction with R equals 1/2, K equals 4 convolutional encoding and Viterbi decoding.

Original languageEnglish
Pages (from-to)1803-1808
Number of pages6
JournalConference Record - International Conference on Communications
Publication statusPublished - 1986 Dec 1

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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